to washington, d.c. the fbi with its large work force and space needs is a prime target for all three jurisdictions. earlier this week, virginia's democratic and republican congressional leaders wrote a letter to federal officials saying northern virginia should get the prize. >> we have a lot of federal agencies already here in northern virginia, including, of course, the pentagon. the largest federal agency. right down the road is the quantico training center for the fbi. >> reporter: the fbi headquarters downtown has a hyper-security focus. it creates a dead space along pennsylvania avenue just blocks from the capitol. now that the fbi is looking to move to a bigger and better space, regional business leaders say there's new hope the dead fbi block can be rebuilt with businesses, condos, retail and night life. >> this would be a very big shot in the arm to downtown washington to better utilize that space, and god help us, not that building. >> not that building. the federal government is just in the e